In twentieth Century 60, Chinese scientific research - float valve tower, used for titanium sponge factory, instead of packing tower equipment is huge and low efficiency; Chinese developed circular molten salt chlorinator, titanium slag effectively deal with Gao Gaimei content.
In 70's, China initiated chlorination furnace titanium chloride slag by fluid production technology, has designed a variety of furnace type for the chlorination of titanium slag. The 1964 design Chinese first titanium sponge factory - Zunyi titanium plant, put into operation in 1970.
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